Managing or delete log file

Abdelrahman_N_A · 2020-12-30T20:10:25.342Z

hello ,
now i have a very big log file exceed 280 GB,
can i mange or delete this file ?,
thanks a lot

chris · 2020-12-30T20:26:26.626Z

On linux? Try this, or a variation as this one still retains the compressed & rotated files for a long time.

MongoDB server keeps deleted log files open after rotation Ops and Admin

You need to SIGKILL after moving the file. Don’t roll your own just use logrotate here is my file for logrotate. # /etc/logrotate.d/mongod /var/log/mongodb/mongod.log { rotate 36500 compress daily postrotate systemctl kill -s USR1 mongod endscript }

Stennie_X · 2020-12-31T05:40:37.757Z

Welcome to the MongoDB Community @Abdelrahman_N_A!

The best approach would be setting up automatic log rotation and archiving as suggested by @chris. Options will vary depending on your O/S version, but on Linux or Unix logrotate is a standard utility.

You can also trigger log rotation using MongoDB’s logrotate administrative command, which might be useful as a first step to allow you to compress or archive your current large log file. I wouldn’t outright delete recent log files until you are certain you won’t need them for any diagnostic purposes.

If you need further suggestions, please confirm your O/S version so we can provide more relevant recommendations.

Regards,
Stennie

Abdelrahman_N_A · 2020-12-31T08:56:50.367Z

thanks a lot , we tried it on windows server 2019 ,
when we used “db.adminCommand( { logRotate : 1 } )” command , mongo created a new file for log and rename the old file automatically
reference: https://docs.mongodb.com/manual/tutorial/rotate-log-files/

system · 2021-01-05T08:56:56.344Z

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